Bukkit

2.6

• Additions
  
  • Added enchanting as a leveling method
    
  • Added building redeem, which randomly gives you a block you place back
    
• Improvements
  
  • Continued to work on optimizing abilities
    
  • Lots and lots of bug fixes
    
  • Rewrote skills command (now /abilities, you can check other player's abilities)
    
  • Made auto save task configurable (toggleable, interval)
    
  • Reduce distance for sit (potential exploit)
    
  • Call appropriate levelup event for online time (increases leaderboard accuracy)
    

2.5.3

• Additions
  
  • Added /srpg lb, which displays a leaderboard based upon XP
    
• Improvements
  
  • Completely rewrote abilities, fixing a whole host of bugs and undesirables
    
• Bug Fixes
  
  • Many small bug fixes, most notably an error on startup that would be caused by messages.properties being null
    

2.5.1

• Additions:
  
  • Added herbalism, taming, and fishing as leveling methods
    
  • Added dexterity (Graceful Roll and Speed Boosts)
    
  • Added hunting (Insta Kill and chance to regain hearts)
    
  • Added taming bombs, and the chance for a tamable mob to spawn a friend
    
  • Added instant growth
    
  • Added fishing drops
    
• Improvements:
  
  • Many, many bug fixes
    
  • Marriage is now toggleable
    
  • Rewrote camping, factions, and world checks

Update your config.yml according to the version found on GitHub (Here) or let your config regenerate.

Other than that, no caveats! Enjoy :)